USD351176SExpiredUtility

Darkfield loupe

38
Assignee: GIA GEM INST CORPORATIONPriority: Oct 27, 1992Filed: Oct 27, 1992Granted: Oct 4, 1994
Est. expiryOct 27, 2012(expired)· nominal 20-yr term from priority
Inventors:Richard AgnewRobert Van Den Heuvel
38
PatentIndex Score
5
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a darkfield loupe, as shown and described.

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